Meet Our Doctors

CEO & Owner | Spring Chiropractic

Dr. Bolz takes a holistic approach to care by treating his patients using various chiropractic and physical medicine techniques, while emphasizing the need to strengthen the whole body through targeted rehabilitative exercises. Dr. Bolz strives to incorporate the best and most cutting-edge treatment modalities available into his office.

Dr. Bolz graduated from Texas Chiropractic College in 1996 and began his practice in the Spring area. Since that time, he has expanded his practice and scope by continuing his education and certifications, particularly those modalities aimed at sports recovery and rehabilitation. Dr. Bolz is certified by the American Chiropractic Board of Sports Physicians as a (CCSP) Certified Chiropractic Sports Practitioner. Dr. Bolz has extensive training in treating injured athletes both on and off the field. Dr. Bolz is an upper extremity, lower extremity and spine certified ART (Active Release Technique) provider and a member of the ART Ironman Provider Network. Dr. Bolz is certified by the National Academy of Sports Medicine (NASM) as a Corrective Exercise Specialist (CES). Dr. Bolz is also certified Graston Technique provider (soft tissue manipulation). Dr. Bolz is Level 1 TPI Golf Certified. Dr. Bolz is FRC (Functional Range Conditioning) certified in advanced rehab techniques. Dr. Bolz is certified to perform dry needling, an important modality to healing new and old injuries alike. He has special interests in exercise physiology, sports injury rehabilitation, and post-operative rehabilitation. He works closely with some of the top orthopedics in the greater Houston and The Woodlands areas. Dr. Bolz is also a Certified Personal Trainer which compliments his design of specific weight training programs and nutritional programs for his patients.

Being a believer in rehabilitative and strength training modalities, Dr. Bolz expanded his rehabilitation facility and The Rehab was born. The Rehab is just steps away from the main office of Spring Chiropractic and offers more space and cutting edge equipment for rehabilitation and strength training.

When not in clinic, Dr. Bolz enjoys spending time with his wife and two daughters on the soccer fields and basketball courts, at school activities, and most importantly, in the mountains where they enjoy skiing, hiking, biking, and fly fishing.

Pain Management Specialist & Medical Director | Spring Chiropractic

Brief Introduction

With over 30 years of experience, Dr. Jerry Gentry is a seasoned interventional pain management physician who blends clinical expertise with whole-person care. As Medical Director at Spring Chiropractic, he brings a compassionate and integrative approach to pain relief—addressing the mind, body, and spirit to support long-term healing and quality of life.

Education & Training

Dr. Gentry earned his Bachelor of Science in Chemistry, graduating Cum Laude from the University of Mississippi, where he also joined the United States Navy. He went on to receive his Doctor of Medicine from Howard University College of Medicine in Washington, D.C., and completed a general surgery internship at the National Naval Medical Center in Bethesda, Maryland.

Clinical Experience

Dr. Gentry served as a Naval Officer for 12 years, delivering emergency and primary care services in leadership roles across several naval hospitals. He rose to the rank of Lieutenant Commander, earning three Naval Achievement Medals for exemplary service. In private practice, he has spent decades providing interventional pain management care to a wide range of patients throughout Texas. He also served as a ringside physician for professional boxing and MMA events for over 17 years, blending acute injury care with long-term rehabilitation.

Specialties & Approach

Dr. Gentry specializes in interventional pain management with a focus on minimally invasive procedures and personalized care. His philosophy is rooted in treating pain through a holistic lens, integrating physical, emotional, and mental health strategies. He is known for his empathetic bedside manner and his ability to connect deeply with patients across all walks of life.

Beyond the Clinic

Outside the clinic, Dr. Gentry is a passionate health and fitness advocate. He’s a male physique competitor, enjoys power flow yoga, and loves dancing. He is also a proud father to three children—Madison, Jerrod, and MaKenna—and brings the same dedication to family and balance into his practice.

Now Accepting New Patients

Dr. Gentry is now accepting new patients. He is passionate about helping individuals overcome chronic pain and reclaim a full, active life. Whether you’re struggling with injury, inflammation, or long-term discomfort, Dr. Gentry offers expert care designed to help you live fully—without pain holding you back.

Associate Doctor | Spring Chiropractic

Dr. Colton Muller is a native Houstonian chiropractor with a deep passion for helping people excel in sports and everyday activities. Dr. Muller focuses on enhancing mobility, reducing pain, and improving overall well-being for his patients. Whether you’re on the golf course, playing recreational sports, or simply working to provide for your family, Dr. Muller is committed to personalized care that supports your physical health and active lifestyle.

Dr. Muller holds a Bachelor’s degree in Biomedical Science from Texas A&M University in Corpus Christi and earned his Doctorate of Chiropractic from Texas Chiropractic College. He is also certified in dry needling, a highly effective technique for treating both new and chronic injuries.

Beyond his professional pursuits, Dr. Muller enjoys an active lifestyle, including golf, weightlifting, pickleball, tennis, basketball, skiing, and hiking. His firsthand experience with sports gives him unique insight into injury prevention and recovery, making him an invaluable resource for athletes of all skill levels. Dr. Muller’s holistic, preventative approach ensures that his patients can stay active, healthy, and at the top of their game.